25430922 has 96 divisors (see below), whose sum is σ = 64157184. Its totient is φ = 7484400.

The previous prime is 25430917. The next prime is 25430953. The reversal of 25430922 is 22903452.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 358147 + ... + 358217.

It is an arithmetic number, because the mean of its divisors is an integer number (668304).

Almost surely, 2^25430922 is an apocalyptic number.

25430922 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 25430922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32078592).

25430922 is an abundant number, since it is smaller than the sum of its proper divisors (38726262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25430922 is a wasteful number, since it uses less digits than its factorization.

25430922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 25430922 is about 5042.9080895848. The cubic root of 25430922 is about 294.0722438040.

The spelling of 25430922 in words is "twenty-five million, four hundred thirty thousand, nine hundred twenty-two".